Configuration Management Red Hat

Raja Sekhar

Email: ***********@*****.*** Phone: 484-***-****

PROFESSIONAL SUMMARY

●Around 15 Years of IT Industry Experience and over 13 years of experience in supporting all kinds of Middleware Infrastructure including Infrastructure automation for private and public cloud environments.

●Involved in building tools for Continuous Delivery and Continuous Integration (CI/CD) to increase frequency of deployments, to lower failure rate of releases, to decrease lead time between releases for fixes, and quick recovery time in the event of new release crashing.

●Hands on experience with various Devops tools such Ansible (Configuration Management); Jenkins, SVN (Sub Version), Git Lab, Ant, Maven (Continuous Integration), Monitoring Tools such as App Dynamics, Dynatrace, Nagios, Prometheus, Alert Manager, Grafana etc.

●Hands on experience with containerization using tool set Rancher, Kubernetes, Ansible, Jenkins, Docker, Portworx, HA Proxy, Red hat KVM, Active Directory, Bit bucket, ELK Stack etc.,

●Deploying & Provisioning AWS Resources such as VPC, Security Groups, EC2, S3, ECS, EKS Clusters using Terraform and cloud formation.

●Installation, Configuration and Administration of Kong API Gateway on Open Shift & AWS Platform. Kong is being used to proactively identify API-related anomalies and threats, Secure and govern APIs/ Micro services, and improve API visibility across the entire organization.

●Hands on experience in building API proxies, policies within Kong along with security frameworks.

●Good understanding of the principles and best practices of Software Configuration Management (SCM) in Agile, Scrum, and Waterfall methodologies.

●Developed automation and deployment utilities using shell scripts, Perl and Python and also to create new scripts and redesign/modify existing scripts for well maintaining the Infrastructure for various tasks such as data feeds, reporting and batch jobs.

●Experience in branching, tagging and maintaining the version across different environments using SCM tools such as Subversion (SVN), CVS and GIT on UNIX and Linux environment.

●Over 8 years of hands on experience on Red Hat Linux 4/5/6/7, Sun Solaris 8/9/10, HP-UX, IBM-AIX and Windows. Experience on Virtualization technologies like VMware, Vagrant, Virtual box.

●Experience in writing the Stored Procedures, Functions and PL/SQL scripts in oracle. Excellent data base knowledge with Point Base, SQL, PL/SQL, Oracle, Sybase, MS SQL and DB2/AS400 Servers.

●Extensive experience in Oracle Web Logic Application Server, SOA, OSB (7.0/8.1/9.2/10.3/11g/12C) Installation, Configuration and Administration Experience on Red Hat JBoss AS (4/5/6/7).

●Extensive experience in Web Servers such as Nginx, Apache (1.x/2.x), Apache Tomcat (7/8), and Sun One I Planet (5/6/7) and IIS (5.x/6.x) servers.

●Experience on Hardware Load Balance (Big IP/ F5). Over 3 years of Experience on Configuring Site Minder for Single Sign on. Over 3 years of Experience on IBM Web Sphere and Web Sphere MQ.

TECHNICAL SKILLS

Languages/Scripting: C, C#, Java/J2EE, Perl, Python, HTML, XML, Bash/Shell, Ruby.

Database Experience: SQL, PL/SQL, Oracle, Sybase, MS SQL and DB2/AS400, Amazon RDS, Aurora etc.,

Web/App Servers: Web Logic Server/Portal, Web Sphere, IBM Portal Server, JBoss, Apache, Tomcat, Sun One, IIS, Nginx

Tools & Utilities: Jenkins, Docker, Kubernetes, Mule Soft, Kong, Rancher, Portworx, Confluence, Stash, Artifactory, JIRA, GIT, Maven, Subversion, Cruise Control, Ansible, Udeploy, Nolio, Serena, JUnit, JTest, Tivoli, Vagrant, Eclipse, Visual Studio, Virtual box,.

Operating Systems: RHEL, CentOS, Debian, Fedora, Amazon Linux, Solaris, Windows, Ubuntu etc.,

Platforms: AWS EC2, EKS, ECS, S3. Red hat Open shift.

Education: Bachelor of Engineering in Electronics & Communications from Osmania University, Hyderabad, INDIA passed out in May 2006.

MS in Software Engineering from ITU, Sanjose, and CA passed out in 2009.

Work Experience

Client: TIAA Org, Iselin, NJ Dec’ 2021 – Present.

Lead Devops Engineer.

Roles & Responsibilities:

●Migration of Applications from On Premise to AWS Cloud using Terraform Scalar Modules, Ansible Playbooks. Created EC2, S3, VPC, Subnets, ALB, NLB, other resources and custom packages installed using EC2 User data. Extensive knowledge in migrating applications from internal data center to AWS.

●Worked heavily with AWS and its infrastructure, including EC2, AMI, ECS, Elastic Cache, Elastic Search, RDS, VPC implementation, IAM, KMS, WAF, Cloud Trail, Cloud Watch, S3, Cloud Front, ELB, Route 53, Lambda, Dynamo DB, Elastic Beanstalk, SQS, SNS and Security group management.

●Created Templates to provision aws infrastructure as a code using Terraform to build staging and production environments. Setup and built AWS infrastructure using various resources, VPC, EC2, S3, IAM, EBS, Security Group, Auto Scaling, RDS in Cloud Formation JSON templates.

●Containerization of various applications using Red hat Open shift Platform as a Service on AWS EKS Platform. Used Jenkins, Helm Chart, Ansible, Docker engine, Docker Registry, Kubernetes and other tools to deploy fault tolerant and highly available containers/pods, services, Ingress controllers etc.,

●Managed Kubernetes charts using Helm, and Created reproducible builds of the Kubernetes applications, managed Kubernetes deployment and service files and managed releases of Helm

Packages.

●Managed continuous deployment and delivery of Micro services and APIs.

●Worked on the Mule API Gateway for the application of policies to API as well for managing the security. Also worked with the Proxy settings using the API Gateway for the API’s.

●Created Mule Flow using End Point, Connector and Component beans using Mule ESB to communicate. Created http inbound & outbound flows, routing, orchestration, transformations and Security of Mule ESB application using OAuth client/server systems.

●Monitor the EKS Cluster using Prometheus and Grafana Dashboards.

●Created aggregated log search system using Log stash and Log stash-forwarder/File beat and

Elastic search and Kibana.

●Experience on Ansible as Configuration management tool, to automate repetitive tasks, quickly deploy critical applications, environment configuration files, Users, Mount points, Packages and proactively manage changes.

●Implementing a CI/CD framework using GIT, Jenkins, Ansible, and Maven & Artifactory in Linux environment.

●Provisioned S3 buckets and managing policies for S3 buckets and Utilized S3 bucket for storage and backup on AWS.

●Experience with bug tracking systems like JIRA, Service Now.

Environment:- Open Shift, Amazon Web Services, Docker, Kubernetes, GIT, vault, Ansible, Python, IDM, Web logic, Tomcat, Apache, Nginx, HA Proxy, Ping Access, Ping Federate, Kong API Gateway, Mule Soft, SAML, Oracle Java/JDK, Red Hat Linux, Terraform, Jenkins, Artifactory, Docker Registry.

Client: SEI Investments, Oaks, PA Oct’ 2019 – Nov’ 2021.

Sr. Devops Engineer.

Roles & Responsibilities:

●Creating Ansible playbooks/Jenkins jobs to deploy rancher clusters, boot strap Kubernetes master nodes/worker nodes, on Linux machines with all the required packages including docker engine, IDM, name servers, portworx agents, open jdk, etc.

●Hands on creating & configuring Ansible playbooks, Jenkins jobs to deploy PODs, Services, Config maps, secrets, ingress etc.,. Implemented Production ready, load balanced and highly available fault tolerant Infrastructure using Kubernetes.

●Containerization of various applications using AWS EKS cluster using eksctl command line as well as aws cli & kubectl. Created cloud formation templates to generate node group for worker nodes and connecting them to eks cluster. Wrote docker files and yaml files for creating pods, configmaps, services, ingress controllers, and other necessary resources and environment variables needed to run the applications.

●Installed Workstation, Bootstrapped Nodes, Wrote Playbooks, and Roles and uploaded them to Ansible Tower, Managed On-site OS/Applications/Services/Packages using Ansible as well as Jenkins jobs to schedule the jobs.

●Installing, configuring and administering Squid Proxy and entering rules for forward proxy.

●Creating Ansible playbooks for OS Patching, Web logic Patching, Java Patching and scheduling patching using Jenkins jobs.

●Installing, configuring and maintaining Continuous monitoring using Prometheus, Alert manager and Grafana tool kit using various tools such as process exporter, node exporter, kube exporter, web logic exporter, Kafka lag exporter, zookeeper jmx exporter, etc.,

●Installing, configuring maintaining ELK stack; file beat on Virtual Machines and container platforms.

●Installation, configuration and administration of Apigee clustered environment in Virtual environment and container environment.

●Hands on with License renewal of various components, SSL installations/renewals, SSO Site minder setup, SAML setup etc as per the vendor requirements.

Environment:- Red hat KVM, Vcenter, Rancher, Docker, Kubernetes, Ingress, bit bucket, vault, Squid, Ansible, Python, MinIO, IDM, Web logic, Tomcat, Apache, Nginx, HA Proxy, Site minder, Apigee, SAML, Zulu JDK.

Client: Freddie Mac, McLean, VA Dec’18 – Aug’19.

Sr. Devops Build Release Engineer

Roles & Responsibilities:

●Managing all Continuous Integration tools such as Artifactory, Ansible, Maven, Jenkins, GIT, Service Now and Visual Studio.

●Integration of Automated Build with Deployment Pipeline of Application Stack, DB Stack, UI Stack. Currently installed Ansible Engine to pick up the Build from GIT repository and deploy it to target environments (Development, SIT, UAT, CTE, PERF and PROD).

●Implementing a CI/CD framework using GIT, Jenkins, Ansible, and Maven & Artifactory in Linux environment.

●Codebase Maintenance, Code Merge, and Maintenance of feature & release branches as well prod and non prod tags for various releases.

●SonarQube scanner Integration for code coverage and code quality as well Fortify Scanner Integration for Code Security. Selenium and Cucumber integration for automation of smoke and functional testing.

●SSH key pair setup on various Linux nodes. Maintenance of Ansible Inventory, Groups & Host Variables for multiple components.

●Experience with Build Management and Deployment Management using Maven for writing pom.xml’s.

●Supported Jenkins build and deployment pipeline issues/resolutions for developers.

●Extensively used Oracle Web Logic Server 12c, Oracle SOA, OSB, Tivoli Access Manager Apache 2.4, Tomcat, Java 8, Oracle Database 12c, RHEL 6/7, Tivoli Access Manager, Active Directory, Firewalls, Cyber Arc, VPNs and BIG IP so on.

●Configured Java Messaging Services such as Queues, Connection Factories for establishing communication between various web services.

●Supported brown field & Gold Field Migration of Web Logic, SOA, OSB, Tomcat, Apache Build and Configurations on Private and Public Cloud platforms as well on premise infrastructure.

●Imported SSL Root and Server Certs on various applications as needed for secure communication between web services.

●Supported Many Events such as OS Patches, Middleware Patches, DB Server Patches, etc.,

●24x7 on call production support.

Environment:- Ansible, Maven, AWS, GIT, Artifactory, Jenkins, Python, Linux, Splunk, Micro Services, Java/J2ee, json, yaml, Spring boot, HTML5, CSS3, Oracle, SQL, My SQL, Sybase, Web Logic 12c, Web Logic SOA, Oracle Service Bus, Tomcat, Apache, Tivoli Access Manager, Active Directory, Cyber Arc, SOAP UI, BIG IP, VPN.

Client: Wells Fargo, Charlotte, NC May 2017 – Nov 2018

Web Systems / Dev Ops Engineer.

Roles & Responsibilities:

●Closely works with development teams to provide support and solution for automation work within an agile development process.

●Built environments for new projects using public and private cloud. Involved in creating modules to Provision AWS Resources such as EC2, EBS, S3 buckets, ELB, Elastic Cache, RDS, VPC, Cloud front, Cloud Watch, Cloud Formation, Ops Works, IAM, Security Groups, Network ACLs, NAT Gateway, Internet Gateways, Subnets, Route Tables, etc.

●Supported Application migration to AWS Cloud Servers from on-premises Data Center.

●Hands on with Cloud bees Jenkins2 Deployment Pipelines (Scripted & Declarative), automation of all stages of deployments. Wrote Jenkins files for auto deployments of Web stack, App stack, DB stack.

●Hands on with Container Management AWS EKS & ECS, Micro Services, and Elk Stack using Docker/Kubernetes. Wrote Dockerfiles, built containers, deployed and configured containers on cross platforms.

●Hands on creating & configuring PODs, Services, KubeProxy. Implemented Production ready, load balanced and highly available fault tolerant Infrastructure using Kubernetes.

●Extensively worked on building platforms for various applications using Web Logic, Web Sphere, Tomcat, JBoss, Apache, IIS and other Vendor based Web Servers and Application Servers.

●Supported ongoing tech refresh projects for end to end successful cutover from old infrastructure to new infrastructure.

●Hands on with creating, installing and renewing SSL Certs for various applications.

●Configured Forward Proxy and Reverse Proxy for various applications. Configured plug-in between Web Logic and Apache for various applications.

●Configured Environments using IIS, Apache and Tomcat. Configured connectors between Tomcat and IIS as well Tomcat and Apache using mod_jk.

●Have implemented the procedure to onboard new applications onto Udeploy/Anthill-pro for auto deployments.

●Monitoring thread usage, connection pool usage, CPU usage, Memory usage and preparing reports for the performance tests, dry run tests and load tests conducted on the Application Servers

Environment:- Jenkins, AWS, Git Lab, Maven, Terraform, Docker, Kubernetes, Web Logic, Apache, Tomcat, JBoss, Web Sphere, Java 8, Udeploy, Anthill, Jira, Splunk, BMC-Remedy tool, Wily, Dynatrace, Exadata DB, Oracle DB, VenaFi, Web Sphere MQ, RHEL Linux, Windows 2008/2012, Python, HPSA, IIS, etc.…

Client: TIAA Org, Iselin, NJ June’12 – May’17

Dev Ops Engineer/Middleware Consultant

Roles & Responsibilities:

●Involved in designing and supporting automation tools which will help 100 plus developers for 3-5 concurrent releases.

●Managing all Continuous Integration tools such as Confluence, Service Now, Artifactory, SVN, Maven, Jenkins, ANT, Git, GitHub, Nolio and Visual Studio.

●Installed Workstation, Bootstrapped Nodes, Wrote Recipes, and Cookbooks and uploaded them to Chef-server, Managed On-site OS/Applications/Services/Packages using Chef as well as AWS for EC2/S3 & ELB with Chef Cookbooks.

●Integration of Automated Build with Deployment Pipeline of Application Stack, DB Stack, UI Stack. Currently installed Chef Server and clients to pick up the Build from Jenkins repository and deploy it to target environments (DevInt, QA, UAT, and PROD).

●Implementing a Continuous Delivery framework using Jenkins, Puppet, Ansible, Maven & Nexus in Linux environment.

●Managing all Continuous Integration tools such as Confluence, Artifactory, SVN, Maven, Jenkins, ANT, Git, GitHub, and Visual Studio. Branching, Tagging, Release Activities on Version Control (VCS) Tools: SVN, GitHub. Used Bit bucket and Git to store and maintain source code.

●Hands on with Nolio deployment tool and Serena Release management tool. On boarded many application onto Nolio for auto deployments.

●Worked with cloud providers and API's for Amazon (AWS) EC2, S3, VPC with Cloud Sigma (EU) and GFS storage.

●Automated the cloud deployments using chef, python and AWS Cloud Formation Templates. Create Chef Automation tools and builds, and do an overall process improvement to any manual processes. Experience with Build Management tools Ant and Maven for writing build.xml’s and pom.xmls.

●Implemented Chef Recipes for Deployment on build on internal Data Center Servers. Also re-used and modified same Chef Recipes to create a Deployment directly into Amazon EC2 instances.

●Involved in periodic archiving and storage of the source code for disaster recovery.

●Extensively used Oracle WebLogic Server/Portal 12c/11g, IBM Web Sphere AS 6/7, Web Sphere MQ, Wily, Tivoli, Apache 2.2, JRockit/Jdk 1.6/1.7, Sun One/Oracle I Planet 7, IIS, Oracle Database 10g, Sybase, AS400/DB2, RHEL 4/5, Sun Solaris 9, IBM AIX, Windows 2k3/2k8/2k12, and Site Minder, Endeca, Hard Ware Load balancer F5 and so on.

●Have good knowledge and working experience with J2EE technologies Servlets, JDBC, JNDI, JMS, and JSP etc.

●24x7 on call production support.

Environment:- Chef, Ant, Maven, AWS, SVN, Git, GitHub, StarTeam, RTC, Jenkins, Python, Linux, ELK Stack, Micro Services, Vagrant, Cent OS, Ubuntu, JIRA, Confluence, Java/J2ee, JQuery, JavaScript, JSON, IBATIS, Spring, HTML5, CSS3, Oracle, SQL, MySQL, Sybase, WebLogic 12c/11g, Tomcat, Apache.

Client: JPMorgan Chase, Whippany, NJ Jul’10 – Jun’12.

J2EE Build & Release Engineer

Roles & Responsibilities:

●Extensively worked on Web Logic 11g/10g/9/8, OBPM, IBM Web Sphere AS 6/7, JBoss AS 5/6, IIS, and Tomcat, RHEL 4, Sun Solaris 10, Windows 2003/08 to set up Integration, QA, UAT, Prod, DR environments.

●Involved in creating new Domains, Node managers, JDBC Data Sources, JMS servers, Queues, Topics, Connection factories. Hands on experience using WLST scripting tool. Extensively Worked on Setting up Cluster Environment for High Availability, Load Balancing and Fail Over.

●Hands on Experience in designing new, more robust and highly secured Web Architecture.

●Worked on automation of deployments for 100’s of applications using automation tools such as Nolio/Serena.

●Created SSL and Digital certificates for secured communication between Application Server layer and Web Server layer.

●Hands on experience with Subversion Control (SVN) tool to build applications WAR, JAR, EAR, EXP, CONFIG and Deployment.

●Configured monitoring tools Wily IntroScope/eG for various applications.

●Monitored TCP/IP connections to debug network related problems. Used internet technologies HTML, XML, XPATH, XSD and TCP/IP.

●Extensive Experience in writing Shell Scripts and Perl Scripts to automate the Server jobs. Used various written shell scripts to collect the Application and Server Performance (Performance Tuning) Metrics and Analyzed to debug the errors. Involved in Performance Tuning of Web Logic Server with respect to heap, threads and connection pools.

●24x7 on call Production support.

Environment: Oracle Web Logic 12C/10.3/8.1, JBoss 4.x/5.x, IIS 5/6, Tomcat 5/6, Apache 2.x, JRockit 1.5/1.6, JDK 1.5/1.6, Serena, Nolio, JIRA, eG, Wily IntroScope, Composite Servers, Red Hat Linux 5/6, Sun Solaris 10, Web Sphere MQ, Tibco EMS, Windows 2k/2k3/2k8, Oracle 10g, Sybase, Point base, MySQL, DB2, Composite, Subversion(SVN), CVS.

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